1#include "cpumap.h"
 2#include "env.h"
 3#include "util.h"
 4
 5struct perf_env perf_env;
 6
 7void perf_env__exit(struct perf_env *env)
 8{
 9	int i;
10
11	zfree(&env->hostname);
12	zfree(&env->os_release);
13	zfree(&env->version);
14	zfree(&env->arch);
15	zfree(&env->cpu_desc);
16	zfree(&env->cpuid);
17	zfree(&env->cmdline);
18	zfree(&env->cmdline_argv);
19	zfree(&env->sibling_cores);
20	zfree(&env->sibling_threads);
21	zfree(&env->pmu_mappings);
22	zfree(&env->cpu);
23
24	for (i = 0; i < env->nr_numa_nodes; i++)
25		cpu_map__put(env->numa_nodes[i].map);
26	zfree(&env->numa_nodes);
27
28	for (i = 0; i < env->caches_cnt; i++)
29		cpu_cache_level__free(&env->caches[i]);
30	zfree(&env->caches);
31}
32
33int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
34{
35	int i;
36
37	/* do not include NULL termination */
38	env->cmdline_argv = calloc(argc, sizeof(char *));
39	if (env->cmdline_argv == NULL)
40		goto out_enomem;
41
42	/*
43	 * Must copy argv contents because it gets moved around during option
44	 * parsing:
45	 */
46	for (i = 0; i < argc ; i++) {
47		env->cmdline_argv[i] = argv[i];
48		if (env->cmdline_argv[i] == NULL)
49			goto out_free;
50	}
51
52	env->nr_cmdline = argc;
53
54	return 0;
55out_free:
56	zfree(&env->cmdline_argv);
57out_enomem:
58	return -ENOMEM;
59}
60
61int perf_env__read_cpu_topology_map(struct perf_env *env)
62{
63	int cpu, nr_cpus;
64
65	if (env->cpu != NULL)
66		return 0;
67
68	if (env->nr_cpus_avail == 0)
69		env->nr_cpus_avail = sysconf(_SC_NPROCESSORS_CONF);
70
71	nr_cpus = env->nr_cpus_avail;
72	if (nr_cpus == -1)
73		return -EINVAL;
74
75	env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));
76	if (env->cpu == NULL)
77		return -ENOMEM;
78
79	for (cpu = 0; cpu < nr_cpus; ++cpu) {
80		env->cpu[cpu].core_id	= cpu_map__get_core_id(cpu);
81		env->cpu[cpu].socket_id	= cpu_map__get_socket_id(cpu);
82	}
83
84	env->nr_cpus_avail = nr_cpus;
85	return 0;
86}
87
88void cpu_cache_level__free(struct cpu_cache_level *cache)
89{
90	free(cache->type);
91	free(cache->map);
92	free(cache->size);
93}